Dd No 1-20
Key Takeaway
Dd No 1-20 is classified as low hazard in Kansas. It was completed in 1984 and is 42 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 28 ft (taller than 62.6% in KS) |
| Dam Length | 2,694 ft |
| Dam Type | Earth |
| Max Storage | 4.2K acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 17 sq mi |
| Max Discharge | 4,377 cfs |
| Year Completed | 1984 (42 years old) |
| NID ID | KS05448 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
PAWNEE WJD NO 81
Local Government
Nearby Dams
Dd No 1-33 (Smith)
Pawnee, KS
Low Hazard 30 ftDd No 1-35 (Scott)
Pawnee, KS
Low Hazard 24 ftDam KS03624
Hodgeman, KS
Low Hazard 15 ftDam KS03625
Hodgeman, KS
Low Hazard 18 ftDam KS00861
Hodgeman, KS
Low Hazard 25 ftDd No 2-35 (Lewis Dam)
Ness, KS
Low Hazard 25 ft1-2 Colglazier
Edwards, KS
Low Hazard 18 ftDam KS01699
Pawnee, KS
Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Dd No 1-20?
Dd No 1-20 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Dd No 1-20?
Dd No 1-20 is owned by PAWNEE WJD NO 81 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dd No 1-20 built?
Dd No 1-20 was completed in 1984, making it 42 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Dd No 1-20?
Dd No 1-20 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dd No 1-20?
Dd No 1-20 has a dam height of 28 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.